BMW 11-15-7-934-559 Scavenge Air Line

( Manufacturer Part Number: 11-15-7-934-559 ), ( Part Type: Line ), ( Manufacturer Warranty: 2 Year ), ( Genuine Oem: Yes ), ( Universal Fitment: Direct Replacement ), ( Country Of Origin: Germany )

Review BMW Genuine Scavenge Air Line 11157934559

The **BMW 11-15-7-934-559 Scavenge Air Line** is a meticulously engineered, high-performance component designed to enhance the efficiency and reliability of BMW s internal combustion engines, particularly those equipped with turbocharged or supercharged systems. This precision-crafted air line plays a critical role in the scavenging process, where exhaust gases are efficiently expelled from the engine s cylinders, allowing for optimal intake of fresh air and fuel mixture. Crafted from durable, high-grade materials, this scavenge air line is built to withstand the demanding conditions of high-pressure exhaust systems, ensuring long-term durability and resistance to heat, vibration, and corrosion. Its design incorporates smooth, aerodynamic contours to minimize turbulence and pressure drops, thereby maximizing airflow and improving overall engine performance. Whether installed in a classic BMW with a turbocharged inline-six or a modern high-performance variant, this air line contributes to a cleaner combustion process, reduced backpressure, and enhanced engine responsiveness. Ideal for both restoration projects and high-mileage vehicles, the **11-15-7-934-559** is a direct-fit replacement part, ensuring seamless integration with the engine bay s existing components. Its robust construction and precise engineering make it a trusted choice for enthusiasts seeking to optimize their BMW s power output while maintaining reliability and longevity.

### **Pros and Cons of Buying a BMW (11/15/7/9 Series) with Scavenge Air Line Part Number 11157934559**

This part number (11157934559) refers to a **scavenge air line**, a component typically found in **BMW diesel engines (especially N57, N67, or older diesel models)**. This line is part of the **turbocharger system**, responsible for directing exhaust gases to the turbocharger to boost engine efficiency. Below is a detailed analysis of the implications of purchasing a BMW vehicle that requires this part, along with a conclusion and recommendation.

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### **Pros of Owning a BMW with This Part Number**

1. **Performance and Efficiency**

- BMW diesel engines (particularly the N57 and N67) are known for their **high torque and fuel efficiency**, making them suitable for long-distance driving and towing.

- A properly functioning scavenge air line ensures **optimal turbocharger operation**, improving power delivery and reducing exhaust backpressure.

2. **Durability and Longevity**

- BMW diesel engines are generally **built to last**, especially when maintained properly. With the right aftermarket or OEM parts, they can easily exceed **200,000 300,000 miles**.

- The scavenge air line, if replaced with a high-quality aftermarket or genuine BMW part, can prevent **turbo failure** and **engine damage** over time.

3. **Aftermarket and Customization Options**

- BMW diesel engines have a **strong aftermarket support**, including upgraded turbochargers, intercoolers, and exhaust systems.

- If you plan modifications, this part number indicates that the vehicle is **compatible with performance upgrades**, allowing for better tuning and power increases.

4. **Potential for Lower Fuel Costs (Compared to Gas Engines)**

- Diesel engines typically offer **better fuel economy** than their gasoline counterparts, which can be advantageous for high-mileage drivers.

5. **Resale Value (If Well-Maintained)**

- BMW diesel models, particularly the **7 Series and 5 Series**, retain value well if kept in good condition. Some luxury diesel BMWs are still sought after in niche markets.

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### **Cons of Owning a BMW with This Part Number**

1. **Higher Maintenance Costs**

- **Turbocharger servicing** (the scavenge air line is critical here).

- **DPF (Diesel Particulate Filter) cleaning or replacement** (common issue in modern diesels).

- **EGR (Exhaust Gas Recirculation) system maintenance** (prone to carbon buildup).

- Labor costs for BMWs are **significantly higher** than for most other brands.

2. **Potential for Expensive Repairs**

- If the scavenge air line fails, it could lead to **turbocharger damage**, which is a **major and costly repair** (often **$1,500 $3,000 ** depending on the model).

- Older diesel BMWs (pre-2015) may also suffer from **injector failures, fuel pump issues, or emissions system malfunctions**, adding to repair expenses.

3. **Emissions and Compliance Issues**

- Modern diesel BMWs (especially post-2015) are subject to **strict emissions regulations** (e.g., **DECAT, DPF, SCR systems**).

- If the vehicle is **not properly maintained**, it may fail **emissions tests** in some regions, leading to fines or restrictions.

- Some older diesel BMWs may have **higher NOx or particulate emissions**, making them less desirable in areas with strict environmental laws.

4. **Limited Availability of Parts**

- While BMW has a strong parts network, **some scavenge air lines and turbo-related components** may be **discontinued or expensive**.

- Aftermarket parts may not always be **OEM-quality**, risking **premature failure** if not sourced carefully.

5. **Resale Challenges**

- **Higher upfront costs** compared to gasoline models.

- **Concerns over long-term reliability** (especially in urban driving conditions).

- **Changing regulations** (some regions are phasing out diesel vehicles).

- If you plan to sell later, a diesel BMW may **depreciate faster** than a comparable gasoline model.

6. **Fuel Availability and Costs**

- While diesel fuel is often **cheaper per gallon**, **diesel pumps are less common** in some areas, making refueling inconvenient.

- In some regions, **diesel fuel quality varies**, leading to **engine deposits and clogged injectors** over time.

7. **Noise and Vibration**

- Turbocharged diesel engines can be **louder and more vibration-prone** than naturally aspirated gasoline engines, which may affect comfort.

---

### **Conclusion**

- You **prioritize fuel efficiency and torque** for long-distance or towing needs.

- You are **prepared for higher maintenance costs** and have access to **BMW-specific mechanics**.

- You plan to **keep the vehicle long-term** and maintain it properly.

- You are **comfortable with diesel-specific issues** (DPF, EGR, turbo health).

- You **drive mostly in urban conditions** (diesels are less efficient at low speeds).

- You **cannot afford high repair bills** (turbo, injectors, emissions systems).

- You **plan to sell the vehicle soon** (resale value may be lower than gasoline equivalents).

- You **prefer a quieter, more conventional driving experience**.

---

### **Recommendation**

- **Get a full turbocharger and emissions system inspection** before purchasing.

- **Check maintenance records** look for **DPF regenerations, EGR cleaning, and turbo servicing**.

- **Consider an aftermarket scavenge air line** (if genuine parts are unavailable or expensive), but ensure it is **high-quality and compatible**.

- **Budget for potential future repairs** diesel BMWs require **more frequent and costly maintenance** than gasoline models.

- **Weigh the long-term costs** against the benefits if you **drive mostly highway miles**, a diesel makes sense; if you **mostly drive in the city**, a gasoline model may be more practical.

- **Explore hybrid or plug-in hybrid options** (e.g., BMW i3, X5 xDrive45e) if emissions compliance and fuel efficiency are concerns.

- If you **like the performance of a diesel BMW but want lower maintenance**, consider a **well-maintained used diesel model with a known service history** rather than a high-mileage or neglected example.

- If **budget is a concern**, a **used gasoline BMW (e.g., 3 Series, 5 Series) with a turbocharger** may offer similar performance at a lower cost.

A BMW with this scavenge air line part number can be a **strong investment for the right buyer** someone who values **torque, efficiency, and long-term reliability** and is willing to **manage higher maintenance costs**. However, it is **not the best choice for those seeking low-cost ownership or urban-focused driving**. Always **inspect thoroughly, verify maintenance history, and budget for potential diesel-specific repairs** before committing.

Details:

Ideal for those looking a genuine BMW part with focus on quality and authenticity. The Genuine BMW Scavenge Air Line is a high-quality replacement part made specifically for vehicles. With its genuine OEM status, you can trust that this scavenger air line will exceed expectations and provide reliable performance. Manufactured in Germany by BMW, this product comes with a 2-year manufacturer warranty and is direct fit for the specified OEM part number.

part #: 11157934559 prices

• $36.08-$87.81

specifications emissyste:

• for makes: Bmw
• mpn: 11-15-7-934-559
• part type: Line
• manufacturer warranty: 2 Year
• genuine oem: Yes
• universal fitment: Direct Replacement
• country of origin: Germany

offer emissyste:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: May 11, 2026

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: New

payments emissyste:

• other
• credit card: Diners-club
• wallet: Google-pay

seller emissyste:

• # reviews: 3879
• city: Yorba Linda, California
• rating: 100.0%

shipping emissyste:

• transit: 3-8 Days
• type: Calculated
• service: USPS Ground Advantage, UPS Ground
• carrier: USPS, UPS
• cost: $11.35
• class: Standard

returns emissyste:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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